Q: What are the prime factors of the number 144,443,550?

 A: 2, 3, 5, 53, 18169

Why are those the prime factors of the number 144,443,550?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 144,443,550

144,443,550
Factor Arrows
272,221,775
Factor Arrows
324,073,925
Factor Arrows
54,814,785
Factor Arrows
5962,957
Factor Arrows
5318,169

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 5, 53, 18169

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 53 x 18,169 = 144,443,550

This can also be written as 21 x 31 x 52 x 531 x 18,1691 = 144,443,550

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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